- Jul 25, 2020
- Oct 13, 2017
- Hancockite
- IMA Ideal Chemistry changed from "CaPbFe3+Al2(Si2O7)(SiO4)O(OH)" to "CaPb(Al2Fe3+)[Si2O7][SiO4]O(OH)"
- Sep 15, 2016
- Sep 27, 2015
- Hancockite
- Mineral Display Name changed from "Epidote-(Pb)" to "Hancockite"
- RRUFF Ideal Chemistry changed from "CaPbFe3+Al2(Si2O7)(SiO4)O(OH)" to "CaPb2+Fe3+Al2(Si2O7)(SiO4)O(OH)"
- Mineral Comment changed from to
- Oct 15, 2008
- Feb 23, 2008
- Hancockite
- RRUFF Ideal Chemistry changed from "CaPb(Al2Fe3+)[Si2O7][SiO4]O(OH)" to "CaPbFe3+Al2(Si2O7)(SiO4)O(OH)"
- IMA Ideal Chemistry changed from "CaPb(Al2Fe3+)[Si2O7][SiO4]O(OH)" to "CaPbFe3+Al2(Si2O7)(SiO4)O(OH)"
- Sep 4, 2007
- May 9, 2007
- Mar 23, 2007
- Hancockite
- New Mineral Entry
- Mineral Display Name changed to "Hancockite"
- RRUFF Ideal Chemistry changed to "CaPbFe3+Al2(Si2O7)(SiO4)O(OH)"
- IMA Ideal Chemistry changed to "CaPbFe3+Al2(Si2O7)(SiO4)O(OH)"
- Dec 14, 2006
- Hancockite
- RRUFF Ideal Chemistry changed from "(Ca,Pb,Sr)2(Al,Fe3+)3(SiO4)(Si2O7)O(OH)" to "CaPb(Al2Fe3+)[Si2O7][SiO4]O(OH)"
- IMA Ideal Chemistry changed to "CaPb(Al2Fe3+)[Si2O7][SiO4]O(OH)"
- Oct 5, 2006
- Hancockite
- Mineral Display Name changed from "Hancockite" to "Epidote-(Pb)"
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